{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "arguments": ["Treatment.Route", "Treatment.Drug", "Treatment.Duration", "Subject.Population", "Treatment.Disorder", "Combination.Drug", "Subject.Race", "Treatment.Dosage", "Effect", "Subject.Disorder", "Treatment", "Subject.Age", "Subject.Gender", "Treatment.Time_elapsed"]}], "input": "The authors describe pericardial hemorrhage, which is related to the use of low-dose acetylsalicylic acid in a patient with essential thrombocythemia."}
{"adverse event": [{"Treatment.Route": "NAN", "Treatment.Drug": "acetylsalicylic acid", "Treatment.Duration": "NAN", "Subject.Population": "NAN", "Treatment.Disorder": "essential thrombocythemia", "Combination.Drug": "NAN", "Subject.Race": "NAN", "Treatment.Dosage": "low-dose", "Effect": "pericardial hemorrhage", "Subject.Disorder": "NAN", "Treatment": "low-dose acetylsalicylic acid", "Subject.Age": "NAN", "Subject.Gender": "NAN", "Treatment.Time_elapsed": "NAN"}]}